" NASA researchers are working hard to find their away around space radiation, a hazard future astronauts can't avoid if they hope to fly on long
missions to Mars and eventually set foot on its surface."
here is another great link to some sheilding tech in work.
What I found interesting about the description of the electrostatic shield in the article was the comment about how it would cause arcs if activated
on a planet... which reminds me of some UFO descriptions.